{"id":1289,"date":"2016-09-25T19:42:43","date_gmt":"2016-09-25T18:42:43","guid":{"rendered":"http:\/\/www.crowave.com\/blog\/?p=1289"},"modified":"2016-09-26T20:02:32","modified_gmt":"2016-09-26T19:02:32","slug":"goerz-unigor-3","status":"publish","type":"post","link":"https:\/\/www.crowave.com\/blog\/2016\/09\/25\/goerz-unigor-3\/","title":{"rendered":"GOERZ UNIGOR 3"},"content":{"rendered":"<p>Danas je nabavljen univerzalni mjerni instrument austrijske tvrtke Goerz Electro Ges.m.b.H. pod nazivom UNIGOR 3 iz 1959. godine. Ovim instrumentom mogu\u0107e je mjerenje izmjeni\u010dnih i istosmjernih struja i napona, te elektri\u010dnog otpora i kapaciteta.<\/p>\n<p>Mjerni opsezi lako se is\u010ditavaju iz oznaka na sklopki za odabir mjernih opsega i oznaka na skali. Sve kontrole su jasno ozna\u010dene i ne treba ih posebno obja\u0161njavati. Uo\u010davaju se dva gumba bez oznaka ispod skale instrumenta: lijevo je sklopka za ponovno uklju\u010divanje ugra\u0111enog za\u0161titnog releja (sklopke) u slu\u010daju da do\u0111e do njenog izbacivanja, a desno je potenciometar za namje\u0161tanje nule kazaljke instrumenta kod mjerenja otpora i kapaciteta.<\/p>\n<p><a href=\"http:\/\/www.crowave.com\/blog\/wp-content\/uploads\/2016\/09\/metrawatt_unigor_3_011.jpg\" rel=\"lightbox[1289]\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-1290\" src=\"http:\/\/www.crowave.com\/blog\/wp-content\/uploads\/2016\/09\/metrawatt_unigor_3_011-768x1024.jpg\" alt=\"metrawatt_unigor_3_011\" width=\"768\" height=\"1024\" srcset=\"http:\/\/crowave.com\/blog\/wp-content\/uploads\/2016\/09\/metrawatt_unigor_3_011-768x1024.jpg 768w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2016\/09\/metrawatt_unigor_3_011-225x300.jpg 225w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2016\/09\/metrawatt_unigor_3_011.jpg 1728w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/a><\/p>\n<p>Sa plo\u010de na zadnjoj strani instrumenta tijekom vremena gotovo do kraja su se izbrisale otisnute upute za kori\u0161tenje i tehni\u010dki podaci. Ispod poklopca prvo se uo\u010dava mjerni transformator za izmjeni\u010dne napone i struje, le\u017ei\u0161te za bateriju tipa R10 od 1,5V, mjerni otpornici, te otisnuti otpornik u krugu uga\u0111anja izmjeni\u010dnih strujnih opsega.<\/p>\n<p><a href=\"http:\/\/www.crowave.com\/blog\/wp-content\/uploads\/2016\/09\/metrawatt_unigor_3_012.jpg\" rel=\"lightbox[1289]\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-1291\" src=\"http:\/\/www.crowave.com\/blog\/wp-content\/uploads\/2016\/09\/metrawatt_unigor_3_012-1024x768.jpg\" alt=\"metrawatt_unigor_3_012\" width=\"1024\" height=\"768\" srcset=\"http:\/\/crowave.com\/blog\/wp-content\/uploads\/2016\/09\/metrawatt_unigor_3_012-1024x768.jpg 1024w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2016\/09\/metrawatt_unigor_3_012-300x225.jpg 300w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2016\/09\/metrawatt_unigor_3_012-768x576.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/p>\n<p>Na bo\u010dnoj strani se uo\u010dava za\u0161titni relej \u010dija je zavojnica vezana serijski sa instrumentom, a sklopkom releja se prekida ulazna mjerna priklju\u010dnica. Vrijeme reakcije ovog za\u0161titnog releja je od 0,005 do 0,01 sekunde.<\/p>\n<p><a href=\"http:\/\/www.crowave.com\/blog\/wp-content\/uploads\/2016\/09\/metrawatt_unigor_3_013.jpg\" rel=\"lightbox[1289]\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-1292\" src=\"http:\/\/www.crowave.com\/blog\/wp-content\/uploads\/2016\/09\/metrawatt_unigor_3_013-1024x768.jpg\" alt=\"metrawatt_unigor_3_013\" width=\"1024\" height=\"768\" srcset=\"http:\/\/crowave.com\/blog\/wp-content\/uploads\/2016\/09\/metrawatt_unigor_3_013-1024x768.jpg 1024w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2016\/09\/metrawatt_unigor_3_013-300x225.jpg 300w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2016\/09\/metrawatt_unigor_3_013-768x576.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/p>\n<p>Evo shematskog prikaza toga za\u0161titnog releja.<\/p>\n<p><a href=\"http:\/\/www.crowave.com\/blog\/wp-content\/uploads\/2016\/09\/metrawatt_unigor_3_020.jpg\" rel=\"lightbox[1289]\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1299\" src=\"http:\/\/www.crowave.com\/blog\/wp-content\/uploads\/2016\/09\/metrawatt_unigor_3_020.jpg\" alt=\"metrawatt_unigor_3_020\" width=\"560\" height=\"279\" srcset=\"http:\/\/crowave.com\/blog\/wp-content\/uploads\/2016\/09\/metrawatt_unigor_3_020.jpg 560w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2016\/09\/metrawatt_unigor_3_020-300x149.jpg 300w\" sizes=\"auto, (max-width: 560px) 100vw, 560px\" \/><\/a><\/p>\n<p><a href=\"http:\/\/www.crowave.com\/blog\/wp-content\/uploads\/2016\/09\/metrawatt_unigor_3_014.jpg\" rel=\"lightbox[1289]\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-1293\" src=\"http:\/\/www.crowave.com\/blog\/wp-content\/uploads\/2016\/09\/metrawatt_unigor_3_014-1024x768.jpg\" alt=\"metrawatt_unigor_3_014\" width=\"1024\" height=\"768\" srcset=\"http:\/\/crowave.com\/blog\/wp-content\/uploads\/2016\/09\/metrawatt_unigor_3_014-1024x768.jpg 1024w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2016\/09\/metrawatt_unigor_3_014-300x225.jpg 300w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2016\/09\/metrawatt_unigor_3_014-768x576.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/p>\n<p>Jo\u0161 nekoliko pogleda na bo\u010dne strane instrumenta otkriva mjerne otpornike i strujne shuntove te slojevitu (sendvi\u010d) monta\u017eu plo\u010dica instrumenta.<\/p>\n<p><a href=\"http:\/\/www.crowave.com\/blog\/wp-content\/uploads\/2016\/09\/metrawatt_unigor_3_015.jpg\" rel=\"lightbox[1289]\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-1294\" src=\"http:\/\/www.crowave.com\/blog\/wp-content\/uploads\/2016\/09\/metrawatt_unigor_3_015-1024x768.jpg\" alt=\"metrawatt_unigor_3_015\" width=\"1024\" height=\"768\" srcset=\"http:\/\/crowave.com\/blog\/wp-content\/uploads\/2016\/09\/metrawatt_unigor_3_015-1024x768.jpg 1024w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2016\/09\/metrawatt_unigor_3_015-300x225.jpg 300w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2016\/09\/metrawatt_unigor_3_015-768x576.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/p>\n<p>Na elektri\u010dnoj shemi mjernog instrumenta UNIGOR 3 uo\u010davaju se njegove specifi\u010dnosti:<\/p>\n<ul>\n<li>S &#8211; za\u0161titni relej (sklopka)<\/li>\n<li>W &#8211; mjerni transformator za opsege izmjeni\u010dnih struja i napona<\/li>\n<li>G &#8211; spoj poluvalnog ispravlja\u010da napona za instrument na sekundaru mjernog transformatora sa tinjalicom za prenaponsku za\u0161titu instrumenta<\/li>\n<\/ul>\n<p><a href=\"http:\/\/www.crowave.com\/blog\/wp-content\/uploads\/2016\/09\/metrawatt_unigor_3_019.jpg\" rel=\"lightbox[1289]\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1297\" src=\"http:\/\/www.crowave.com\/blog\/wp-content\/uploads\/2016\/09\/metrawatt_unigor_3_019.jpg\" alt=\"metrawatt_unigor_3_019\" width=\"934\" height=\"661\" srcset=\"http:\/\/crowave.com\/blog\/wp-content\/uploads\/2016\/09\/metrawatt_unigor_3_019.jpg 934w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2016\/09\/metrawatt_unigor_3_019-300x212.jpg 300w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2016\/09\/metrawatt_unigor_3_019-768x544.jpg 768w\" sizes=\"auto, (max-width: 934px) 100vw, 934px\" \/><\/a><\/p>\n<p>Dok se mjerenja struje i napona vr\u0161e izravno na odgovaraju\u0107im mjernim opsezima i priklju\u010dnicama, za mjerenja kapaciteta kao i ve\u0107ih otpora potrebno je dovesti vanjski izvor odgovaraju\u0107eg napajanja. Ovo je potrebno iz razloga jer ugra\u0111ena baterija od 1,5V nije dostatna za mjerenje ve\u0107ih otpora, a za mjerenje kapaciteta potrebano je dovesti vanjski izmjeni\u010dni napon jer UNIGOR 3 nema svoj vlastiti oscilator izmjeni\u010dnog napona.<\/p>\n<p>Evo sheme spajanja instrumenta UNIGOR 3 za pojedine opsege mjerenja otpora i kapaciteta:<\/p>\n<p><a href=\"http:\/\/www.crowave.com\/blog\/wp-content\/uploads\/2016\/09\/metrawatt_unigor_3_018.jpg\" rel=\"lightbox[1289]\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-1296\" src=\"http:\/\/www.crowave.com\/blog\/wp-content\/uploads\/2016\/09\/metrawatt_unigor_3_018-1024x197.jpg\" alt=\"metrawatt_unigor_3_018\" width=\"1024\" height=\"197\" srcset=\"http:\/\/crowave.com\/blog\/wp-content\/uploads\/2016\/09\/metrawatt_unigor_3_018-1024x197.jpg 1024w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2016\/09\/metrawatt_unigor_3_018-300x58.jpg 300w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2016\/09\/metrawatt_unigor_3_018-768x148.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/p>\n<p>Karakteristika ve\u0107ine starijih tipova univerzalnih instrumenata je da im je za mjerenje kapacitea i ve\u0107ih otpora potrebno dovesti dodatno vanjsko napajanje. Kod instrumenta UNIGOR 3 ipak je pri tome prednost \u0161to se za sva mjerenja mo\u017ee iskoristiti direktni mre\u017eni napon. Sve \u0161to smo rekli za ve\u0107 opisani sli\u010dni instrument <a href=\"http:\/\/www.crowave.com\/blog\/2016\/09\/19\/mtm-vielfachmesser-iii\/\" target=\"_blank\">MTM VIELFACHMESSER III<\/a> vrijedi i za UNIGOR 3: lijep primjerak vintage univerzalnog mjernog instrumenta koji je uvijek po\u017eeljan; nekad kao dio kvalitetne mjerne opreme svakog elektri\u010dara, a danas kao dio lijepe kolekcije vintage mjernih instrumenata&#8230; tako\u0111er svakog elektri\u010dara \ud83d\ude42<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Danas je nabavljen univerzalni mjerni instrument austrijske tvrtke Goerz Electro Ges.m.b.H. pod nazivom UNIGOR 3 iz 1959. godine. Ovim instrumentom mogu\u0107e je mjerenje izmjeni\u010dnih i istosmjernih struja i napona, te elektri\u010dnog otpora i kapaciteta. Mjerni opsezi lako se is\u010ditavaju iz oznaka na sklopki za odabir mjernih opsega i oznaka na skali. Sve kontrole su jasno [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1292,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15],"tags":[],"class_list":{"0":"post-1289","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-mjerni","8":"czr-hentry"},"jetpack_featured_media_url":"https:\/\/crowave.com\/blog\/wp-content\/uploads\/2016\/09\/metrawatt_unigor_3_013.jpg","_links":{"self":[{"href":"https:\/\/www.crowave.com\/blog\/wp-json\/wp\/v2\/posts\/1289","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.crowave.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.crowave.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.crowave.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.crowave.com\/blog\/wp-json\/wp\/v2\/comments?post=1289"}],"version-history":[{"count":5,"href":"https:\/\/www.crowave.com\/blog\/wp-json\/wp\/v2\/posts\/1289\/revisions"}],"predecessor-version":[{"id":1303,"href":"https:\/\/www.crowave.com\/blog\/wp-json\/wp\/v2\/posts\/1289\/revisions\/1303"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.crowave.com\/blog\/wp-json\/wp\/v2\/media\/1292"}],"wp:attachment":[{"href":"https:\/\/www.crowave.com\/blog\/wp-json\/wp\/v2\/media?parent=1289"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.crowave.com\/blog\/wp-json\/wp\/v2\/categories?post=1289"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.crowave.com\/blog\/wp-json\/wp\/v2\/tags?post=1289"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}